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The world's best gem articles, published weekly.


Most Recent Articles

A Guide to Gem Classification

Gemologists use several different gem classification methods. Learn how the most common systems work and what they cover as well as exceptions…

Melo Pearl Buying Guide

Bright orange colors and flames that seem to dance across the surface make the melo pearl a fascinating gem choice. Learn how to find a quality specimen.…

Is Uranium Glass Safe to Facet?

Uranium glass, or Vaseline glass, is a prized collector’s item and is generally safe to handle. But is it safe to facet? Learn about the potential…

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